Palo Alto Investors LP Long-Term Concentrated

Location: Palo Alto, CA

CIK: 0001306923 · Show all filings

Period: Q4 2020 (← Previous) (Next →)

Filing Date: Feb 16, 2021

Total Value: $1.908B (100.0% shares, 0.0% debt)

Holdings (41)

STAA STAAR SURGICAL CO 11.8%
Value $226M Shares 2,849,348 Share Price $79.22 * Est. Cost/Share $14.28 Unrealized @ Report Date +412.6%
INSM INSMED INC 10.7%
Value $203M Shares 6,105,980 Share Price $33.29 * Est. Cost/Share $17.39 Unrealized @ Report Date +110.0%
BMRN BIOMARIN PHARMACEUTICAL INC 9.9%
Value $189M Shares 2,155,050 Share Price $87.69 * Est. Cost/Share $83.19 Unrealized @ Report Date -4.7%
FOLD AMICUS THERAPEUTICS INC 9.5%
Value $182M Shares 7,867,114 Share Price $23.09 * Est. Cost/Share $8.07 Unrealized @ Report Date +153.5%
— ABIOMED INC 9.5%
Value $180M Shares 556,633 Share Price $324.20 Est. Cost/Share $69.89 Unrealized @ Report Date —
ACAD ACADIA PHARMACEUTICALS INC 6.4%
Value $123M Shares 2,301,477 Share Price $53.46 * Est. Cost/Share $33.73 Unrealized @ Report Date +47.2%
UTHR UNITED THERAPEUTICS CORP 6.2%
Value $119M Shares 785,406 Share Price $151.79 * Est. Cost/Share $89.23 Unrealized @ Report Date +47.1%
— KARYOPHARM THERAPEUTICS INC 4.3%
Value $81.54M Shares 5,267,652 Share Price $15.48 Est. Cost/Share $16.89 Unrealized @ Report Date —
— ALEXION PHARMACEUTICALS INC 4.1%
Value $78.66M Shares 503,429 Share Price $156.24 Est. Cost/Share $124.52 Unrealized @ Report Date —
— REVANCE THERAPEUTICS INC 4.0%
Value $75.76M Shares 2,673,313 Share Price $28.34 Est. Cost/Share $23.32 Unrealized @ Report Date —
— EPIZYME INC 3.8%
Value $73.19M Shares 6,738,913 Share Price $10.86 Est. Cost/Share $14.49 Unrealized @ Report Date —
BIIB BIOGEN INC 3.0%
Value $57.37M Shares 234,300 Share Price $244.86 * Est. Cost/Share $259.08 Unrealized @ Report Date 0.0%
VNDA VANDA PHARMACEUTICALS INC 2.9%
Value $55.59M Shares 4,230,548 Share Price $13.14 * Est. Cost/Share $11.21 Unrealized @ Report Date +7.3%
— SAGE THERAPEUTICS INC 2.7%
Value $51.06M Shares 590,200 Share Price $86.51 Est. Cost/Share $48.94 Unrealized @ Report Date —
EHTH EHEALTH INC 2.2%
Value $41.45M Shares 586,999 Share Price $70.61 * Est. Cost/Share $78.41 Unrealized @ Report Date -3.1%
ALGN ALIGN TECHNOLOGY INC 1.9%
Value $36.07M Shares 67,505 Share Price $534.38 * Est. Cost/Share $114.31 Unrealized @ Report Date +293.3%
— CLOVIS ONCOLOGY INC 1.1%
Value $21.45M Shares 4,469,411 Share Price $4.80 Est. Cost/Share $47.56 Unrealized @ Report Date —
PRTA PROTHENA CORP PLC 1.1%
Value $20.32M Shares 1,691,805 Share Price $12.01 Est. Cost/Share $21.54 Unrealized @ Report Date -45.1%
GOSS GOSSAMER BIO INC 0.9%
Value $16.82M Shares 1,739,050 Share Price $9.67 Est. Cost/Share $11.88 Unrealized @ Report Date -17.1%
PBYI PUMA BIOTECHNOLOGY INC 0.7%
Value $14.1M Shares 1,373,897 Share Price $10.26 Est. Cost/Share $27.93 Unrealized @ Report Date -63.8%
ANAB ANAPTYSBIO INC 0.5%
Value $8.95M Shares 416,292 Share Price $21.50 * Est. Cost/Share $18.75 Unrealized @ Report Date +29.5%
— DICERNA PHARMACEUTICALS INC 0.4%
Value $7.31M Shares 331,813 Share Price $22.03 Est. Cost/Share $5.39 Unrealized @ Report Date —
KLDO KALEIDO BIOSCIENCES INC 0.4%
Value $7.156M Shares 786,400 Share Price $9.10 * Est. Cost/Share $13.76 Unrealized @ Report Date -40.4%
SNDX SYNDAX PHARMACEUTICALS INC 0.3%
Value $5.876M Shares 264,200 Share Price $22.24 * Est. Cost/Share $15.14 Unrealized @ Report Date +37.0%
TVTX TRAVERE THERAPEUTICS INC 0.2%
Value $4.304M Shares 157,900 Share Price $27.26 * Est. Cost/Share $23.35 Unrealized @ Report Date 0.0%
— ZOGENIX INC 0.2%
Value $4.292M Shares 214,700 Share Price $19.99 Est. Cost/Share $20.95 Unrealized @ Report Date —
— ATHENEX INC 0.2%
Value $3.519M Shares 318,200 Share Price $11.06 Est. Cost/Share $12.86 Unrealized @ Report Date —
— RIGEL PHARMACEUTICALS INC 0.2%
Value $3.494M Shares 998,156 Share Price $3.50 Est. Cost/Share $3.40 Unrealized @ Report Date —
— MAGENTA THERAPEUTICS INC 0.2%
Value $3.349M Shares 427,108 Share Price $7.84 Est. Cost/Share $7.33 Unrealized @ Report Date —
ALKS ALKERMES PLC 0.2%
Value $3.004M Shares 150,598 Share Price $19.95 * Est. Cost/Share $18.28 Unrealized @ Report Date 0.0%
— KEZAR LIFE SCIENCES INC 0.2%
Value $2.862M Shares 548,206 Share Price $5.22 Est. Cost/Share $5.01 Unrealized @ Report Date —
CYTK CYTOKINETICS INC 0.1%
Value $2.57M Shares 123,686 Share Price $20.78 * Est. Cost/Share $6.71 Unrealized @ Report Date +172.2%
TCMD TACTILE SYSTEMS TECHNOLOGY I 0.1%
Value $1.218M Shares 27,100 Share Price $44.94 * Est. Cost/Share $39.74 Unrealized @ Report Date 0.0%
ALDX ALDEYRA THERAPEUTICS INC 0.1%
Value $1.103M Shares 160,800 Share Price $6.86 * Est. Cost/Share $7.10 Unrealized @ Report Date -1.1%
— ALIMERA SCIENCES INC 0.0%
Value $848K Shares 200,919 Share Price $4.22 Est. Cost/Share $6.30 Unrealized @ Report Date —
— APREA THERAPEUTICS INC 0.0%
Value $634K Shares 128,770 Share Price $4.92 Est. Cost/Share $28.13 Unrealized @ Report Date —
URGN UROGEN PHARMA LTD 0.0%
Value $441K Shares 24,500 Share Price $18.00 * Est. Cost/Share $27.01 Unrealized @ Report Date -22.4%
— MARINUS PHARMACEUTICALS INC 0.0%
Value $382K Shares 31,330 Share Price $12.19 Est. Cost/Share $4.17 Unrealized @ Report Date —
— IDERA PHARMACEUTICALS INC 0.0%
Value $283K Shares 77,044 Share Price $3.67 Est. Cost/Share $8.90 Unrealized @ Report Date —
— SUNESIS PHARMACEUTICALS INC 0.0%
Value $231K Shares 116,246 Share Price $1.99 Est. Cost/Share $4.37 Unrealized @ Report Date —
— MINERVA NEUROSCIENCES INC 0.0%
Value $85,000 Shares 36,319 Share Price $2.34 Est. Cost/Share $5.62 Unrealized @ Report Date —